Home / 27,748.84-38,260.68-22,427.20

Finding the Fourth Proportional to 27,748.84, 38,260.68 and 22,427.20

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Solution

The fourth proportional to 27,748.84, 38,260.68 and 22,427.20 is: 30,923.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,748.84 : 38,260.68 = 22,427.20 : x
  2. Step 2: Convert to fraction form
    27,748.84/38,260.68 = 22,427.20/x
  3. Step 3: Cross multiply
    27,748.84x = 38,260.68 × 22,427.20
  4. Step 4: Simplify right side
    27,748.84x = 858,079,922.50
  5. Step 5: Solve for x
    x = 858,079,922.50/27,748.84
  6. Step 6: Final answer
    x = 30,923.09

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.